Home / 2,413.15-3,624.19-1,445.20

Finding the Fourth Proportional to 2,413.15, 3,624.19 and 1,445.20

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Solution

The fourth proportional to 2,413.15, 3,624.19 and 1,445.20 is: 2,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.15 : 3,624.19 = 1,445.20 : x
  2. Step 2: Convert to fraction form
    2,413.15/3,624.19 = 1,445.20/x
  3. Step 3: Cross multiply
    2,413.15x = 3,624.19 × 1,445.20
  4. Step 4: Simplify right side
    2,413.15x = 5,237,687.10
  5. Step 5: Solve for x
    x = 5,237,687.10/2,413.15
  6. Step 6: Final answer
    x = 2,170.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.